| ËÅѡࡳ±ì¡ÒÃÇÔ¹Ô¨©ÑÂ
R-R interval regular
QRS rate is decreased
P wave precedes each QRS complex
P wave axis is 0o-90o (with normal atrial situs)
P wave axis remains constant
PR interval is normal for child's age
PR interval remains constant
|
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Second degree AV block, third degree AV block
Junctional rhythm
Blocked premature atrial contraction
|
